Answer:
Step-by-step explanation:
Ok so this is simple
6+7+0=13
3 will be in the ones column and the one would be carried over in the tens column so it would be
1+8+4+7=20
again 0 will be in the tens column and 2 would be carried over in the hundreds column so
2+5+0+6=12
2 in the hundreds column and 1 carried over in the thousands column
1+9+1+7=18
8 in the thousands column and over carried over in the ten thousands column
1+3+4+5=13
13 would be written in the ten thousands column as it is the last one
The total would be
138303
Hope this helps :)
It is presumed that the 10m is the vertical distance in 4 floors so 10meters divided by 10 seconds is 1m/second is the average speed of the escalator. Hard to add anything to this to make up to the required 40 words.
I'm pretty sure it should be the 45. or A